Usage is very simple Single : As long as there are serial microcontroller , embedded can operate this module, MSP430 , 51 , AVR , PIC , STM32 , ARM , FPGA , the controller ,pcDuino so you can operate this module. This module is controlled through the serial port, you can use the PC’s serial port to control this module. Products from optical fingerprint sensor , high-speed DSP processors, high performance fingerprint matching algorithm, large capacity FLASH chip hardware and software constitute. The fingerprint module stable performance, fully functional, both fingerprint, a variety of functions fingerprint registration, fingerprint matching, fingerprint search.